欢迎来到天天文库
浏览记录
ID:48011924
大小:227.14 KB
页数:4页
时间:2020-01-14
《DWI与PWI在急性脑梗死诊治中的应用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据目盐量堂陋迪壁亟瘟盐盟!尘坚芏1且璺!!盐笠!塑DWI与PWI在急性脑梗死诊治中的应用韩璎王惠芳李恩中田捷J.P.PruvoF.Pasquier·论著·摘要目的:探讨磁共振弥散成像(DWI)、灌注成像(PWI)及其后处理技术在急性脑梗死,尤其是超早期脑梗死诊断和治疗中的作用。方法:分别应用DWI、PWI和MRA等技术对临床高度怀疑急性脑梗死的患者进行扫描,并根据发病时间进行分组比较,再通过周像后处理技术对所获得图像进行分析。应用L述技术,对1999--2002年问就诊于首钢医院和法国RogerSalengro医院的59例临床诊断为急性脑梗死的患者进行分组和观察。结果:
2、MR平扫T2加权像在发病12h后才能隐约见到稍高信号的病灶,而DWI、PWI及后处理技术最早可在发病15h发现缺血灶。此外,通过图像后处理可以看到半暗带的情况。结论:DWI、PWI与后处理技术可以明确诊断急性,尤其是超早划脑梗死,同时对治疗方案的制定与调整及评价疗效均有重要意义。关键词急性脑梗死;弥散加权成像;灌注加权成像;半暗带Ap#eaaonofDiffusion—weightedImagiagandPerfusion—WelghtedImaghtginDiagnosisandManagementofAcuteCerebralInfarction}妇Y讷g.WangHu舒
3、an92。LiEnzhongz?TianJiej?J?PPl"gy04.FPacquie/DepartmentsofRehabilitationMed缸ineand2Neurology,ShougangHospital,PekoeUniversity,Bering100041,China,"3MedicalImageProcessingGroup,InstituteofAutomation,ChineseAeade—myof.Sciences,Berg100080,China:4Cl孺URogerSdengroHospital,Lil&,FranceAESTRACTObjec
4、由e:Todetecttheuseofdiffusion—weightedhnaghag(DWI),perfusion-weightedimaging(PWI)andtheirpostprocessingtechniqueintheacutecerebralinfarction,par-ticuiartytheeffectsinthediagnosisandtreatmentofhyperacutecerebral证farction.Methods:ThepatientswithhighlysuspectedcerebralmfarctionwerescannedwithDW
5、I.PWIandMR&re-spectivety,andcomparedaccordhagtothetimeofonset,andthentheacqukedimageswerepro-tessedandanalyzedwiththepostprocessingtechnique.鼬theabovetechnique.59patientsclinicallydiagnosedasacuteeerebralinfarctionweredivided证to3grouDsandobservedinShougangHospital,PekingUniversicy,ChinaandC
6、I豫IyRogerSalengroHospital,Lille,Francefrom1999to2002.Results:Thelesionswithslightlyhigherdensityconldbeseenfahatly12hoursaftertheotlse'tofthejnfarctioninMRT2-weightedimaging,but也IIvcouklbese蛆asearlyas1.5hoursinDWIandPWIaftertheonsetof证farctiou.Besides.thestatusofthepenumbraCOUldbeseenwithth
7、epostprocessingteehnique.CondusioIlls:DWI.PWlaridthepostprocess—ingtechniquecanclearlydiagnoseacute证fasction.particularlythehyperacutecerebralinfarction.Italsohasimportantsignificanceinmakingandadjustingtreatmentprotocolaswellasevaluatingtheeffectiveness
此文档下载收益归作者所有